All of the following problems contribute to difficulty in estimating activity durations accurately EXCEPT:
a. merging - multiple predecessors
b. omissions - leaving out key activities
c. general uncertainty in the estimate
d. poor vendor selection
D
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The Theory of Reasoned Action and the Theory of Planned Behavior differ based on the inclusion of what key concept?
A. behavioral intent B. attitudes C. perceived behavioral control D. normative beliefs
The National Ambient Air Quality Standards are based on plant locations, pollution control cost, reasonableness of pollution, and similar factors
a. True b. False Indicate whether the statement is true or false
Twenty-five percent of the employees of a large company are minorities. A random sample of 7 employees is selected
a. What is the probability that the sample contains exactly 4 minorities? b. What is the probability that the sample contains fewer than 2 minorities? c. What is the probability that the sample contains exactly 1 non-minority? d. What is the expected number of minorities in the sample? e. What is the variance of the minorities?
The degrees of freedom associated with a t distribution are a function of the _____
a. area in the upper tail b. sample standard deviation c. confidence coefficient d. sample size